Like many of his royal relatives before him, Prince George was born at St Mary’s Hospital in Paddington, West London. The day after he arrived, the little prince made his public debut outside on the steps of the Lindo Wing in the arms of his parents.

While presenting their son to the world’s cameras was clearly a daunting process, the Prince and the Princess of Wales had a clever plan to ensure that their departure from the hospital in front of the world’s media ran as smoothly as possible. The sweet story was proudly revealed by Kate on Giovanna Fletcher’s podcast, Happy Mum, Happy Baby.

Prince George Alexander Louis was born on July 22, 2013, and was presented to the waiting media and eager royal fans the next day. While all eyes were on the new baby, Prince William managed to attract a lot of attention for the effortless way that he clipped the car seat in before driving his family home to Kensington Palace.

But it would seem he had already practised the move many times as Kate revealed on Giovanna’s podcast. The royal couple practised the move several times in order to avoid fumbling or embarrassing themselves in front of everyone.

She explained: “We were like ‘What do we do?… in a swaddle?’. ‘How’s this supposed to work?!’ We even tried to practice with a little baby, like a little doll, at home but you know it just never works out the way you planned it so it was quite hard to do that on the world’s stage, but no, he did a very good job.”

This wasn’t the only interesting revelation to come out of the candid conversation as Kate also spoke about her feelings of “mum guilt” when it comes to leaving her three children.

She said: “[You’re] always sort of questioning your own decisions and your own judgements and things like that, and I think that starts from the moment you have a baby.”

“So yeah – it was a real weight off my shoulders that actually it’s not totally my responsibility to do everything, because you know we all have good days, bad days – and you can dilute that with others who aren’t on that particular day struggling. I think it makes such a difference for your child, keeping them as constant and happy as possible.”